{"id":"CVE-2023-38853","aliases":["DEBIAN-CVE-2023-38853","EUVD-2023-42626","GHSA-8x4f-p6m3-p75v","JLSEC-2026-1297","UBUNTU-CVE-2023-38853"],"status":"published","title":"Buffer Overflow vulnerability in libxlsv.1.6.2 allows a remote attacker to execute arbitrary code...","description":"Buffer Overflow vulnerability in libxlsv.1.6.2 allows a remote attacker to execute arbitrary code and cause a denial of service via a crafted XLS file to the xls_parseWorkBook function in xls.c:1015.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00874,"percentile":0.59235,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2023-08-15T00:00:00Z","modified":"2026-10-28T02:31:14Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"r-cran-readxl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.2-1","1.4.3-1","1.4.4-1","1.4.5-1","1.5.0-1","1.5.0.1-1","1.6.0-1"]},{"source":"osv","ecosystem":"Debian:13","package":"r-cran-readxl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.5-1","1.5.0-1","1.5.0.1-1","1.6.0-1"]},{"source":"osv","ecosystem":"Debian:14","package":"r-cran-readxl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.5-1","1.5.0-1","1.5.0.1-1","1.6.0-1"]},{"source":"osv","ecosystem":"Julia","package":"libxls_jll","ranges":[{"type":"SEMVER","events":[{"introduced":"1.6.2+0"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"r-cran-readxl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.1.0-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"r-cran-readxl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.0-1build1","1.0.0-2"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"r-cran-readxl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.1-2","1.3.1-2build1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"r-cran-readxl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.1-2build2"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"r-cran-readxl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.3-1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"r-cran-readxl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.5-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"r-cran-readxl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.5-1","1.5.0-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"r-cran-readxl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.5-1"]}],"products":[{"vendor":"libxls_project","product":"libxls"}],"references":[{"url":"https://github.com/libxls/libxls/issues/124","tags":["x_transferred","Exploit","Issue Tracking","report","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-38853","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-8x4f-p6m3-p75v"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/38xxx/CVE-2023-38853.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2023-38853","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2023-38853","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-38853","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2023-38853","description":"Buffer Overflow vulnerability in libxlsv.1.6.2 allows a remote attacker to execute arbitrary code and cause a denial of service via a crafted XLS file to the xls_parseWorkBook function in xls.c:1015.","status":"published","published":"2023-08-15T00:00:00Z","modified":"2024-10-08T20:40:53.91Z","updated_at":"2026-11-02T14:35:29.772612Z"}],"euvd":[{"id":"EUVD-2023-42626","description":"Buffer Overflow vulnerability in libxlsv.1.6.2 allows a remote attacker to execute arbitrary code and cause a denial of service via a crafted XLS file to the xls_parseWorkBook function in xls.c:1015.","status":"published","published":"2023-08-15T00:00:00Z","modified":"2024-10-08T20:40:53Z","updated_at":"2026-11-03T00:27:43.911558Z"}],"ghsa":[{"id":"GHSA-8x4f-p6m3-p75v","title":"Buffer Overflow vulnerability in libxlsv.1.6.2 allows a remote attacker to execute arbitrary code...","description":"Buffer Overflow vulnerability in libxlsv.1.6.2 allows a remote attacker to execute arbitrary code and cause a denial of service via a crafted XLS file to the xls_parseWorkBook function in xls.c:1015.","status":"published","published":"2023-08-15T18:31:32Z","modified":"2024-04-04T06:57:57Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:56:47.061253Z"}],"nvd":[{"id":"CVE-2023-38853","description":"Buffer Overflow vulnerability in libxlsv.1.6.2 allows a remote attacker to execute arbitrary code and cause a denial of service via a crafted XLS file to the xls_parseWorkBook function in xls.c:1015.","status":"published","published":"2023-08-15T17:15:10.897Z","modified":"2026-06-17T06:11:11.92Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:08:24.487686Z"}],"osv":[{"id":"DEBIAN-CVE-2023-38853","description":"Buffer Overflow vulnerability in libxlsv.1.6.2 allows a remote attacker to execute arbitrary code and cause a denial of service via a crafted XLS file to the xls_parseWorkBook function in xls.c:1015.","status":"published","published":"2023-08-15T17:15:10.897Z","modified":"2026-10-26T18:02:40.928687057Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:39.980321Z"},{"id":"JLSEC-2026-1297","description":"Buffer Overflow vulnerability in libxlsv.1.6.2 allows a remote attacker to execute arbitrary code and cause a denial of service via a crafted XLS file to the `xls_parseWorkBook` function in xls.c:1015.","status":"published","published":"2026-08-13T10:57:26.913Z","modified":"2026-08-13T11:00:03.372931447Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:47:18.159338Z"},{"id":"UBUNTU-CVE-2023-38853","description":"Buffer Overflow vulnerability in libxlsv.1.6.2 allows a remote attacker to execute arbitrary code and cause a denial of service via a crafted XLS file to the xls_parseWorkBook function in xls.c:1015.","status":"published","published":"2023-08-15T17:15:00Z","modified":"2026-10-17T12:56:25.6552574Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T16:54:21.882004Z"},{"id":"CVE-2023-38853","description":"Buffer Overflow vulnerability in libxlsv.1.6.2 allows a remote attacker to execute arbitrary code and cause a denial of service via a crafted XLS file to the xls_parseWorkBook function in xls.c:1015.","status":"published","published":"2023-08-15T00:00:00Z","modified":"2026-10-28T02:31:14.264248477Z","updated_at":"2026-11-02T15:44:32.922049Z"}]}}